ryan.short@LIGO.ORG - posted 08:09, Friday 21 April 2023 - last comment - 10:21, Friday 21 April 2023(68887)
Ops Day Shift Start
TITLE: 04/21 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Commissioning
CURRENT ENVIRONMENT:
SEI_ENV state: CALM
Wind: 7mph Gusts, 4mph 5min avg
Primary useism: 0.02 μm/s
Secondary useism: 0.22 μm/s
QUICK SUMMARY: H1 has been locked for 2.5 hours at NLN. We are running with BRSY on this morning during wind fence work to test Jim's new ISI filter. At the next lockloss, there are plans for a slow controls power supply swap and SRM drive measurement.
- CDS, SEI, SUS all okay
- No alarms overnight
- All dust monitors okay
The 1366111098 04:18am PDT lockloss was caused by a small (<1000 on PEAKMON) earthquake, see attached.